Car-wheel chill.



` 2 sums-@HEBT 1'.

PATENTED DEC. 3, V1907.

. B.A M.GARR. CAL WHEEL GRILL. l APPLIOATIQN'FILFAPB,1907.

z SHEETS-SHEET 2.

' UNITED STATES PATENT l onirica.

v BENJAMIN M. CARR, oFl HOUSTON, TEXAS. f

No. l872,608;

Specication of Letters Patent.

Patented Dec. 32 1967.

Application filed pril 6| 1907- Vserial No. 366,741.

To all 'whom/t may concern:

Be it. known that I,'BENJAMIN M..CARR, a citizenof "the United States,residing at Houston, in the county-*of'Harris and State of Texas,haye-linvented a new' and .useful Car-Wheel' Chill, of which thefollowing is a specification. N The resent invention relates. tocontracty ingc s` for car wheels and the like, and the lprincipal objectof the lresent invention is 'to provide a novel, simp e, durable. andcomparatively inexpensive chill that can ,be

manufactured with a amount ofl .dressing or machine work, will retainits shape and hold the parts in properly assof ciated relation, providesmeans for effectively.venting the gases, and can be handled and used inconnection with the ordinary' foundry mechanism.

The preferred embodiment of the invention 'is illustrated in theaccompanying drawings: wherein:-

Figure l'is a plan view of the chill. Fig.

2 is al horizontal sectional view through 'a' portion thereof.` Fig. 3.is a detail sectional view on the line 3-3 of Fig. 2. Fig. 4 is a crosssectional view on the line 4-4 of Fig.

-2.A Fig. 5 is. a crossl sectional view on .the

line 5-5 `of Fig. 2. Fig. 6 is a detailpersists of a circular-"series ofradially disposed segments, which are arranged in pective view of asegment of one of the pairs. ig. 7 is a similar view of the othersegment pair. v

Similar reference numerals deslgnate'corresponding parts in-fall the`figures of the y drawings.

In the embodiment illustrated, the chill is composed lof an innerportion, and an outer portion or body.` The inner portion conairs. As

each pair is a duplicate of the ot er, a description of one is believedto be suliicient segment, and the opposing or abutting faces. of thesections 11 are provided with alined'y l upright recesses 12 producingan inc losedforall. The air is composed of what may be ltermed right andleftf segments 8 v 45' and 9, which have flat abutting faces 10. Thepair is provided at its rear end with `an u right extension, in the formof a dovetail tiat comprises Isections 11. carried respectively by thesegments and of less thickness than the pair, as illustrated in Fig. 2.This dovetail 1s thus formed partially onI each upright drag pin`receiving socket in each pair of segments, las clearly shown in Flgs. 1

be evident Figs. 6 and 7.

gases from t e mol and 2.. The lrear endof'the dovetail 11 isfurthermore provided with a transversely disposed dovetai-l 13 extendingacross the central portion of the dovetail v11 and carried partially byeach section thereof, as will The outer faces- 14 of each pair ofsegments .are rovided with upwardly tapered recesses 15 t at cooperateor aline with corresponding reeessesin the outer faces ofthe adjacentlpairs, thereby producing upright tapiered vent conduits, as shown' 1nFig. 2.-

he segments having the abutting outer faces 14, are thus arranged insets, having` dovetail sockets 16 formed therein between the dovetails11 of the pairs. Certainof the ysaid faces 14 are furthermore providedwith upper and lower angesor ribs 17, and when the segmentsv areconstructed, said faces are also preferably provided with u rightyflanges 18.' These flanges constitute bearings that are from onesixty-'fourth to one thirty-secondoffan inch thick, 'and serve to spacethe adjacent v' opposing walls apart, thereby forming channels 19, as.shown 'in .which communicatewith the conduits 15, i

Fig. 3,

for the pur ose of permitting the escape of In constructing the chill,the segments above described, as cast, are arranged in sets or lpairsside by side, as illustrated in Figs. l an 2, and an outer body or .ring2() is then cast around-the outer ends thereof, said body inclosing thetransverse'dove'tails 13, as illus# trated in Figs. 4 and 5, andinterlocking with the ordinary manner, and the said channels.

19 while allowing the escape of the gases from the mold, leave but smallmarks or impressions on the face of the wheel, which can be readilyground off. It will be observed that in the construction of the chill,no core Wonk isarequired, and it isnot necessaryl to saw the sections orsegments. Moreover the chill is used with the regular coop and dragring, and inasmuch as but two styles of se ments are required, the rightand left,

L5 the sockets constitute additional vents topermit the escape of gasfrom the mold.

It is well known to those skilled in the art that contracting chills areold devices and in every case heretofore so far as I am aware, theprojecting sections are entirely spaced art throughouttheir width, andare usua aily sawed, an operation that requires a very considerablelength of time and amount of expense. Besides the sections are as aconsequence spaced a considerable distance apart, at least threethirty-seconds of an inch, al-

lowing the hot iron to flow into these spaces. and attack the metal so'that the-chillis soon warpedl and destroyed. As distinguished from this,the chill sections constructed in accordance with the present ,inventionhave a space only one-thirty-second of an inch be-v' tween them whichallows the gases freevent, preventing the iron attackin the, adjacentfaces and caving but the slig test marks-on the cast wheel. Furthermorethe sv acing does not extend the entire width lof t e sections, becauseof the iianges 417 which by bearing against the adjacent sections, serveto prevent lateral displacementl'of thesections under the various-strains necessarily set up during the casting operation, and thus bymaintaining said sections inf pro er relative position,insure long lifeto the c `ll.

From the foregoing, it is thought that the construction, operation, andmany 'advantages of the herein described invention will be apparent tothose'skilled in the art, without further description, and it will beunderstood that various changes in the size, shape, proportion, andminor 'details of construction, may be resorted to Without departingfrom thespirit or sacrificing' any of the advantages of the invention.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is

' 1. A chill of the character set forth having an inner portioncomprising a seriesof segjacent segments having recesses in theiropposing sides and having said opposing sides abutted on opposite sidesof the recesses forming open-ended inclosed vent channels.

2. A chill ofthe character set forthhaving In the yfirst place,

ments located side by side,`certain1 ofthe ad-` an inner portioncomprising a series of segments located side by side, certain of theadjacent segments having recessesin their opposing sides and having saidopposing sides abbutted o n opposite sides of the recesses forminginclosed vent conduits, and spaced flanges carried by the upper andlower portions of certain of the opposing faces and abutting against theother faces forming open ended vent channels between the segments thatcommunicate with the said conduits. j

3. A chill 'of the character set forth includling sets of segments, thesegments of each set having alined recesses in their opposing facesforming an inclosed vent conduit, one of the opposing faces havingspaced longitudinal flanges that abut against the. other face .formingan open ended channel between them that communicates with the conduit,the outer faces ofthe segments of each set being at and abutting againstthe outer fiat faces of the adjacent sets.

4. A chill of the character setI forth, including sets of segmentshaving alined recesses in their opposing faces, the said faces on theopposite sides of the recesses being abutted, forming inclosed drag pinreceiving sockets..

5. A chill of the character set Iforthinclufding a plurality of segmentslocatedside by side, each segment having recesses in its opg positesides that aline with the corresponding recesses in the opposing sidesof the adjacent segments,forrning vent conduits and dragpinlreceivingsfockets.

1.6."A chill ofthe' character set forth, includ- 10o ing a' plurality ofseginentsloca'tedv side by side each segment having recesses initsopposite sides, said recesses Ibeing located at different distancesfrom the inner end of the -segment and' alining with corresponding re-105 cesses inthe opposing sides of t e adjacent segments forming -ventconduits and drag pin. receiving sockets.-

v 7. A chill of the-character set forth, includv ing a plurality ofsegments located side by side, each's'egment having recesses in itsopposite sides, said recesses. being located at diiferent distances fromthe inner end of the segment and alining with corresponding recesses inthe opposing sides of the adj acent 115 segments forming vent conduitsand drag pin receiving sockets, certain of the lopposing sides moreoverhaving spaced flanges that abut against the coperatlng sides of theadjacent segments, forming vent channels that communicate withtheconduits.

8. A chill of the character seti-forth, including 'a plurality of setsof segments, each set lhaving rearwardly projecting abutting eX-tensions of less width than the segments, and a holding body interlockedwith said extensions and securing the same together. 9. A chill-of thecharacter set forth, including a plurality of sets of segments, each sethaving a rearwardly projecting dovetail1`30 formed oi abutting sectionscarriedjpartially by each seg'r'nent,v and a holding -b odyinterlo'ekedwith said dovetail andholding the same together, said dovetail sectionshaving recesses in their abutting faces forming socketsfin saiddovetail.'I Y.

0: A eh'll-ofthe character set forth, including a plurality ofsets ofsegments,y each I set having a rearwardly projecting dovetail ad-ovetaildisposed transversely of an'dproJ jee'ting from the rear end of the rstrrientioiled dovetail-,and a holding. body east about the variousdovetails 'for securing-,the segments in associated relationL f 12. Achill-of the ch rising an inner portion cornposedof ajeireu-l ar seriesof'segments arranged in" each segment, and a/'holding body inter-'u'frh'e charmer sa forth, ma

racter set-forth., eorn-v v "Witnesses: airs-,each pairofsegrnents-having arearwar. ly entend4 ing dovetajof less vthklss thanthe .and formed partially on -eah segrne It, `an. Aotherdovet'aildisposed transversely of and' 4projecting'from'the a:rear end of thefirst inentioned dovetail, said first rnentioned dovetail havingv anupright recesses cooperating with thereeesses in the outer aeesoftheadjacent pairs, forming vent conduits7A flanges-formed upon eertainfaces of the pairs and abutting against the outer faces of adjacentpairs, Jforming vent channels that Communicate lwith said conduits,. anda circular holding lbody east around theouter ends o'f thesegrnents andinterlocking with the-various dovetails thereof to secure said segmentsin assoelated relation.

In testimony, that l elaiin the foregoing as -rny own,. I have heretoarixed rny signature.

inthe presence of two witnesses.

BENJAMIN CARR.

S. TALIAFRRO, Y B. F. WnEMs.

upright socket formed partially in each section thereof, the outerfa'ces of each pair of segments being provided with

